Buscar
Itens para a visualização no momento 1-10 of 17
Alelopatia de carqueja (Baccharis trimera Less) e ação de fungos em capim-annoni (Eragrostis plana Ness)
(Universidade Federal de Santa Maria, 2014-03-12)
Livestock in southern Brazil is sustained largely by native pastures, which have large species diversity. This area is part of the Pampa biome. However, invasive species Eragrostis plana (tough lovegrass) threat to native ...
Manejo do solo na entressafra do arroz e sua influência na emissão de gases de efeito estufa e na produtividade da cultura da soja
(Universidade Federal de Santa Maria, 2014-03-12)
The soybean (Glycine max) cultivation in rotation with rice (Oryza sativa) in paddy soils is a growing practice in the state of Rio Grande do Sul. However, there is little information on the emission of methane (CH4) and ...
Caracterização do gênero Scleroderma (Basidiomycotina) associado a povoamentos florestais exóticos no bioma Pampa, Brasil
(Universidade Federal de Santa Maria, 2014-03-10)
The genus Scleroderma Pers.: Fr. belongs to Order Boletales, Phylum Basidiomycota, and involves a group of fungi whose spore production occurs in an enclosed hymenium with passive basidiospores release. The main morphological ...
Fenologia do subperíodo reprodutivo de Lithraea molleoides, Schinus terebinthifolius e Helietta apiculata em Santa Maria, RS
(Universidade Federal de Santa Maria, 2014-09-10)
The historical series of phenological data allow the determination of the relationship of the development of species with climate and site conditions of the region. In Brazil phenological data s banks of different native ...
Germinação de sementes e desenvolvimento de plântulas em Paspalum notatum Flügge
(Universidade Federal de Santa Maria, 2014-03-11)
Paspalum notatum, native grass biome Pampa, Rio Grande do Sul, has high forage value, but has difficulty germinating seeds with low viability. Inserted in this context are the promoters of germination and biomass, biostimulants ...
Dinâmica vegetacional e diversidade florística em áreas de vegetação campestre, Rio Grande do Sul, Brasil
(Universidade Federal de Santa Maria, 2014-09-26)
The Pampa biome encompasses heterogeneous ecosystems, because of the great number of kinds of soils and the variations in altitude and also in the climate, and such characteristics are directly reflected in the floristic ...
Comunidades de Coleoptera em cultivos de tabaco (Nicotiana tabacum L.) em Santa Cruz do Sul, RS
(Universidade Federal de Santa Maria, 2014-03-10)
The tobacco (Nicotiana tabacum L.) is a crop of major importance to Rio Grande do Sul and Brazil, but there are few studies on biodiversity associated with cultivation. Therefore, the aim of this study was to survey the ...
Potencial antiproliferativo e determinação de compostos fenólicos de Cordia trichotoma (Vell.) Arráb. ex Steud.
(Universidade Federal de Santa Maria, 2014-03-10)
Cordia trichotoma (Vell.) Arráb. ex Steud., known as louro-pardo, belongs to the Boraginaceae family and is widely distributed in Brazil. In Rio Grande do Sul (RS), is found in the Alto Uruguai and Depressão Central. This ...
Propagação in vitro e ex vitro de Symplocos uniflora (Pohl.) Benth. (Symplocaceae)
(Universidade Federal de Santa Maria, 2014-03-10)
The Symplocos uniflora species is a native tree that reaches up to 10m tall, belonging to the Symplocaceae family. It is popularly known as pau-de-canga, maria-mole-do-banhado and sete-sangria. Virtually, there is no ...
Crescimento e relações entre variáveis em progênies e cultivares crioulas de milho
(Universidade Federal de Santa Maria, 2014-03-14)
Corn is one of the crops that produce more in the world; it has a wise geographic distribution. It happens because of the big genetic variability present, including in creole cultivates which they are normally produced in ...